We had already replaced the original TV years ago but now want to get a smart TV and get it a little bit bigger. As wide as what will fit between the side cabinets. Anyway I saw a picture of an instal...
You'll want to find locking, articulated mounts. These are often designed specifically for RV use. You'll be able to identify these because they usually have some kind of pull chain that releases the articulating arm from a folded and locked position and when you fold up the mount and TV, you'll notice a distinctive click as the mount locks closed and holds the TV tight against the wall or space it is mounted. I've seen numerous ones on Amazon, but also at RV parts dealers and even CW.